11058921 has 12 divisors (see below), whose sum is σ = 16002948. Its totient is φ = 7359264.

The previous prime is 11058917. The next prime is 11058941. The reversal of 11058921 is 12985011.

It can be written as a sum of positive squares in 2 ways, for example, as 168921 + 10890000 = 411^2 + 3300^2 .

It is not a de Polignac number, because 11058921 - 2² = 11058917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11058911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8511 + ... + 9723.

It is an arithmetic number, because the mean of its divisors is an integer number (1333579).

Almost surely, 2^11058921 is an apocalyptic number.

It is an amenable number.

11058921 is a deficient number, since it is larger than the sum of its proper divisors (4944027).

11058921 is a wasteful number, since it uses less digits than its factorization.

11058921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232 (or 2229 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 11058921 is about 3325.4956021622. The cubic root of 11058921 is about 222.7943904397.

The spelling of 11058921 in words is "eleven million, fifty-eight thousand, nine hundred twenty-one".